Lua APA (7ú heag.)
Perdue, A., & Lockwood, R. (2014). Animal cruelty and freedom of speech: When worlds collide. Purdue University Press.
Lua i Stíl Chicago (17ú heag.)
Perdue, Abigail, agus Randall Lockwood. Animal Cruelty and Freedom of Speech: When Worlds Collide. West Lafayette, Indiana: Purdue University Press, 2014.
Lua MLA (9ú heag.)
Perdue, Abigail, agus Randall Lockwood. Animal Cruelty and Freedom of Speech: When Worlds Collide. Purdue University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.